OPEC is doing its best to offset supply disruptions around the world, but it has no intention of “overdoing it”, Bloomberg reports, citing the cartel’s president, UAE’s energy minister Suhail al-Mazrouei. “It’s unfair to say that OPEC is not doing its part,” Al-Mazrouei said, referring to President Donald Trump’s Twitter tirade against the cartel for not doing enough to rebalance the market. “There are things outside of our hand, the geopolitics as well as how much production is coming from…